Comment 3 for bug 1172317

It seems like:
- pt-sift without options does not correctly use the /var/lib/pt-stalk default dir.
- if the /var/lib/pt-stalk dir is specified as argument for pt-sift it works.
- pt-stalk seems to somehow not collect "-df" files. (time < 12:00 ?)

root@daniel-thinkpad:~# ls -ltr /var/lib/pt-stalk/*-disk-space /var/lib/pt-stalk/*-df
-rw-r--r-- 1 root root 125 May 7 11:30 /var/lib/pt-stalk/2013_05_07_11_30_44-disk-space
-rw-r--r-- 1 root root 125 May 7 11:34 /var/lib/pt-stalk/2013_05_07_11_34_42-disk-space
-rw-r--r-- 1 root root 125 May 7 12:35 /var/lib/pt-stalk/2013_05_07_12_34_46-disk-space
-rw-r--r-- 1 root root 19410 May 7 12:35 /var/lib/pt-stalk/2013_05_07_12_34_46-df
-rw-r--r-- 1 root root 125 May 7 12:37 /var/lib/pt-stalk/2013_05_07_12_37_20-disk-space
-rw-r--r-- 1 root root 19410 May 7 12:37 /var/lib/pt-stalk/2013_05_07_12_37_20-df
-rw-r--r-- 1 root root 125 May 7 12:42 /var/lib/pt-stalk/2013_05_07_12_42_22-disk-space
-rw-r--r-- 1 root root 19410 May 7 12:42 /var/lib/pt-stalk/2013_05_07_12_42_22-df
-rw-r--r-- 1 root root 125 May 7 12:47 /var/lib/pt-stalk/2013_05_07_12_46_42-disk-space
-rw-r--r-- 1 root root 19410 May 7 12:47 /var/lib/pt-stalk/2013_05_07_12_46_42-df
root@daniel-thinkpad:~# pt-sift
Error: is not a directory, and there are no pt-stalk files in the curent working directory (/var/lib/pt-stalk) with a prefix.
For more information, 'man pt-sift' or 'perldoc /usr/bin/pt-sift'.
root@daniel-thinkpad:~# pt-sift /var/lib/pt-stalk

  2013_05_07_12_34_46 2013_05_07_12_37_20 2013_05_07_12_42_22
  2013_05_07_12_46_42

Select a timestamp from the list [2013_05_07_12_46_42] ^CCaught signal, exiting